Elexhere

Mod This IKEA Lamp Into Smart Lighting For Not A Lot | Hackadayhttps://hackaday.com/2026/05/15/mod-this-ikea-lamp-into-smart-lighting-for-not-a-lot/

Led
Ikea

The IKEA SKAFTSÄRV is an economical LED accent lamp, but while highly affordable it has only fixed lighting options. [simoneluconi] shows how it can easily be turned into a fully-configurable, WLED…

Another Gift To The World From CERN: Their Entire Set Of KiCad Libraries | Hackadayhttps://hackaday.com/2026/05/12/another-gift-to-the-world-from-cern-their-entire-set-of-kicad-libraries/

Kicad

As the foremost boffins of Europe toil deep underneath the border between Switzerland and France in their never-ending quest to truly understand the fabric of the Universe, they rely on a vast amou…

Seeing Time in a New Light - Hackster.iohttps://www.hackster.io/news/seeing-time-in-a-new-light-740f62d788fa

The NeoPixel Light Beam Clock uses beams of light as hands, and you can build your own for $10.

How To Avoid Failed Screw Holes In 3D Printed Parts | Hackadayhttps://hackaday.com/2026/05/07/how-to-avoid-failed-screw-holes-in-3d-printed-parts/

Screws are useful fasteners for 3D prints, but the effectiveness of a screw (not to mention the ease or hassle of insertion) depends on the hole itself. This comprehensive guide on how to design sc…

The Cassagotchi Is a 3D-Printable, Arduino Nano-Powered Tamagotchi Clone You Can Build Yourself - Hackster.iohttps://www.hackster.io/news/the-cassagotchi-is-a-3d-printable-arduino-nano-powered-tamagotchi-clone-you-can-build-yourself-da985d3d14de

A plastic egg houses your very own digital pet, like it's the 1990s all over again.

This Whirly 100-Filament LED Lamp Is So Good - Hackster.iohttps://www.hackster.io/news/this-whirly-100-filament-led-lamp-is-so-good-ff8a22b7cda4

Nick of the Nick Electronics YouTube channel built a very ambitious accent lamp with spinning LED discs.

Five Different Styles Of Cardboard Hinges | Hackadayhttps://hackaday.com/2026/04/30/five-different-styles-of-cardboard-hinges/

One doesn’t generally associate cardboard with structural components like hinges, but [Itoshige Studio] assures us that you can absolutely create hinges out of this ubiquitous material. In to…

A Guide To CubeSat Mission And Bus Design | Hackadayhttps://hackaday.com/2026/04/28/a-guide-to-cubesat-mission-and-bus-design/

Space
Design

If you mention the word bus, you might think of public transportation or, more likely for us, a way to connect things together. But in the satellite world, the bus is the part of a vehicle that sup…

Your CPU Has More Registers Than You'd Think | Shreeyash's Bloghttps://fp32.org/register_renaming.html

Cpu

Shreeyash's Blog

3D Print Full-Color Photos on a Regular Old Filament Printer - Hackster.iohttps://www.hackster.io/news/3d-print-full-color-photos-on-a-regular-old-filament-printer-e40b1ba784d8

Primed3D is a tool that will let you print in full color(ish) using a regular old filament 3D printer.

Reviving Nintendo’s Early Arcade Game, Wild Gunman | Hackadayhttps://hackaday.com/2026/04/24/reviving-nintendos-early-arcade-game-wild-gunman/

There’s retrogaming, and then there’s retro gaming. This next project falls into the second category, as [Callan] of 74XX Arcade Repair digs into the original Wild Gunman, first release…

GitHub - TeamOpenFIRE/OpenFIRE-App: Reference configuration/testing app for the OpenFIRE project, built in Qt/C++. · GitHubhttps://github.com/TeamOpenFIRE/OpenFIRE-App

Reference configuration/testing app for the OpenFIRE project, built in Qt/C++. - TeamOpenFIRE/OpenFIRE-App

DIY Smart Button Gets Surprisingly Complicated | Hackadayhttps://hackaday.com/2026/04/22/diy-smart-button-gets-surprisingly-complicated/

There’s a reason that the standards specifications for various wireless communications protocols are extremely long and detailed. [Made by Dennis] found this out first hand when he decided to…

Build a Giant 2,500-LED Wall on a Budget - Hackster.iohttps://www.hackster.io/news/build-a-giant-2-500-led-wall-on-a-budget-ebcb2cbd4e76

Chris Maher made a massive, wall-sized 2,500-LED matrix without breaking the bank using an ingenious design powered by LED strips.

Check Out This 7-Segment Display That Runs on Air - Hackster.iohttps://www.hackster.io/news/check-out-this-7-segment-display-that-runs-on-air-8562ef9e05e3

Clock
Vacuum

This air-powered 7-segment display uses pneumatic "transistors" and vacuum pressure to physically transform the segments.

Painting the Time on Flip Sequins - Hackster.iohttps://www.hackster.io/news/painting-the-time-on-flip-sequins-d57d924a2967

Clock
Sequin

Sequino is a robotic clock that swaps pixels for flip sequins, using an H-bot system to "paint" the time on a shimmering canvas.

Implementing PCIe Over Fiber Using SFP Modules | Hackadayhttps://hackaday.com/2026/04/11/implementing-pcie-over-fiber-using-sfp-modules/

Pcie
Sfp

Although we can already buy commercial transceiver solutions that allow us to use PCIe devices like GPUs outside of a PC, these use an encapsulating protocol like Thunderbolt rather than straight P…